Atlas GNSS Global Correction Service

Hemisphere’s Atlas correction service broadcasts from 200 reference stations worldwide and can provide you with up to 10cm accuracy on a single unit.

 

Atlas™ is Hemisphere GNSS’ new GNSS correction service, offering the most innovative correction service available in the industry, providing performance that meets or exceeds that delivered by other industry leaders, at market-leading prices. Atlas is the most flexible service on the market, delivering its correction signals via L-Band satellites or over the Internet at accuracies ranging from meter to sub-decimeter levels. With approximately 200 reference stations worldwide and L-Band satellites distributing coverage from 75°N to 75°S, all of the earth’s landmass is covered.

 

Available in three tiers, H10, H30 and H100.

  • H100 – 1 m 95% (50 cm RMS)
  • H30 – 30 cm 95% (15 cm RMS)
  • H10 – 16 cm 95% (8 cm RMS)

Additional product info

Product details

  • 200 Reference Stations worldwide
  • Available from 75 deg N to -75 deg S
  • Positioning Accuracy: Atlas provides competitive positioning accuracies down to 8 cm RMS in certain applications, often exceeding competitive systems’ capabilities
  • Positioning Sustainability: Cutting-edge position quality maintenance in the absence of correction signals, using Hemisphere’s Tracer technology
  • Convergence Time: Industry-leading convergence times of 10 – 40 minutes

Package includes

  • 1 Year Subscription to Atlas
    • H10 – (0.1m)
    • OR H30 -(0.3m)
    • OR H100 – (1.0m) (Lifetime Subscription)
  • Free Bench-Mark Approved Technical Support
  • Best Hemisphere Pricing Guarantee

Description

Hemisphere’s Atlas GNSS Global Correction Service is the ultimate solution for those looking to receive an affordable accuracy at a sub meter level. With Atlas GNSS Global Correction Service, you can scale the service to meet your needs. There is no need to be tied into a service that ties you into services you do not need. Using L-Band signals, Atlas delivers corrections varying from meter to sub-decimeter levels. With 200 Reference stations world-wide, there is almost no where on the globe that is not covered.

 

With Hemisphere’s Atlas GNSS Global Correction Service, you have access to three different levels of service, Atlas Basic, H30 or H10. With Atlas Basic you have access to 50 cm of accuracy. However, if you are in need of even tighter solutions, you can get accuracy of up to 30 cm and 8 cm for H30 and H10 respectively. With the multi-tier service levels, you never have to pay for a service you do not need.

 

Atlas features many innovative features that allow it to be a world leader in global L-Band corrections.

 

BaseLink

All Atlas-capable receivers are capable of self surveying and automatically manage the transmission of RTK correction data to augment, or extend existing GNSS reference stations. Even in areas of poor internet connectivity, Atlas will work for you.

 

SmartLink

With SmartLink technology, AtlasLink GNSS smart antennas are used as Atlas Signal extensions for any GNSS system that is compliant with open communication standards.

 

aRTK

Powered around Atlas, aRTK is the technology on all Atlas-capable devices allowing RTK-level accuracy, availability and reliability when RTK corrections are lost.

 

AutoSeed

With AutoSeed, users can suspend Atlas for any amount of time, and when returning to their last location, Atlas will rapidly reconverge to a high-accuracy converged position.

 

Tracer

Tracer technology is the cutting-edge technology that allows the user to maintain quality position maintenance in the absence of correction signals. Even when data corrections occur, Tracer allows meter to cub-decimeter-levels, availability and reliability.

 

Key Features

  • Positioning Accuracy: Atlas provides accuracies down to 4 cm RMS in certain applications, exceeding other competitive systems capacblities
  • Positioning Sustainability: Cutting-edge position quality maintenance in the absence of correction signals, using Tracer technology from Hemisphere
  • Convergence Time: Industry-leading convergence times of 10-40 minutes
  • Global Ionosphere Model: Real-time ionospheric activity and data is sent to the receiver and allows Atlas-capable devices to adjust accordingly, providing excellent convergence performance.

FAQs

Atlas provides global GNSS corrections through L-band satellites, allowing compatible receivers to achieve sub-meter to sub-decimeter positioning without relying on a nearby base station. It can be useful for GIS mapping, asset collection, and remote fieldwork, while conventional RTK remains the better choice when a project requires centimeter-level positioning for control or construction staking.

The appropriate tier depends on the positioning accuracy your work requires. H10 is the highest-accuracy option, H30 targets sub-foot positioning, and H100 is intended for meter-level applications; choosing the right tier helps avoid paying for accuracy your projects do not need.

Yes. When using L-band satellite delivery, Atlas can provide corrections without an internet connection at the receiver or a local RTK base station, making it useful in remote areas where cellular coverage is unreliable. The receiver must support Atlas corrections and have a suitable view of the correction satellite.

Atlas requires convergence time before reaching its higher-accuracy positioning performance. The stated typical convergence range is 10 to 40 minutes, although the time depends on the service tier, satellite geometry, multipath, ionospheric conditions, and receiver setup.

Atlas satellite coverage is specified between 75°N and 75°S, covering much of Canada but not locations north of 75°N. At higher Canadian latitudes, the correction satellite may also appear lower in the sky, making reception more vulnerable to obstructions such as trees, buildings, and terrain.

Not every GNSS receiver can receive Atlas corrections directly. Your receiver must support Atlas and the required L-band signals, or you may be able to use a compatible Hemisphere AtlasLink antenna to provide corrections to third-party equipment that supports standard communication formats.

Yes. L-band corrections are transmitted from geostationary satellites, so the receiver’s antenna needs a suitable line of sight to the relevant satellite. Trees, buildings, terrain, and the lower satellite elevation angles encountered at higher latitudes can affect reception, particularly at obstructed field sites in northern Canada.

Hemisphere’s Tracer technology is designed to help maintain positioning quality when correction signals are temporarily unavailable. Supported equipment may also use aRTK functionality to help sustain positioning during interruptions to RTK corrections, but these capabilities should not be treated as a guarantee that the receiver will maintain its full specified accuracy throughout a prolonged outage.

Yes. Atlas can provide an alternative correction source for compatible equipment when a local base or network RTK connection is unavailable, depending on the receiver’s supported configuration. This can give field crews more flexibility when working across sites with different connectivity and correction-service availability.

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